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脱式计算.(80-14)÷6720-720÷15(360-144)÷24×3240+480÷30×2225-10×(6+13)(120×2+120)÷943×(324-298)(79+21)×(96÷12)
题目详情
脱式计算.
(80-14)÷6 | 720-720÷15 | (360-144)÷24×3 | 240+480÷30×2 |
225-10×(6+13) | (120×2+120)÷9 | 43×(324-298) | (79+21)×(96÷12) |
▼优质解答
答案和解析
(1)(80-14)÷6,
=66÷6,
=11;
(2)720-720÷15,
=720-48,
=672;
(3)(360-144)÷24×3,
=216÷24×3,
=9×3,
=27;
(4)240+480÷30×2,
=240+16×2,
=240+32,
=272;
(5)225-10×(6+13),
=225-10×19,
=225-190,
=35;
(6)(120×2+120)÷9,
=(240+120)÷9,
=360÷9,
=40;
(7)43×(324-298),
=43×26,
=1118;
(8)(79+21)×(96÷12),
=100×8,
=800.
=66÷6,
=11;
(2)720-720÷15,
=720-48,
=672;
(3)(360-144)÷24×3,
=216÷24×3,
=9×3,
=27;
(4)240+480÷30×2,
=240+16×2,
=240+32,
=272;
(5)225-10×(6+13),
=225-10×19,
=225-190,
=35;
(6)(120×2+120)÷9,
=(240+120)÷9,
=360÷9,
=40;
(7)43×(324-298),
=43×26,
=1118;
(8)(79+21)×(96÷12),
=100×8,
=800.
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